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வீட்டு மின்சுற்று | GRADE 11 UNIT 10 | Video 02 | Ashfaq AHM

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167 views19likes1:11:09mr.tutorscienceacademy9738Original Release: 2026-07-20

A household electrical circuit consists of a live wire (carrying current from the power source), a neutral wire (completing the circuit), and an earth wire (providing safety grounding). Key safety devices include the main switch (isolator) for disconnecting power, trip switches (RCCB) that automatically disconnect circuits during overloads or earth faults, and fuses that melt to break the circuit when excessive current flows. The meter box houses the electricity meter and these protective devices, ensuring safe and efficient electricity distribution throughout the home.